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Monday, August 24, 2015

Effects of Pesticides

If it has the suffix –cide in it, then you know it’s meant to kill something. Pesticides are designed to kill insects, fungus, bacteria and other things that feed on crops, are vectors for disease, nuisances, and things that destroy property. Farming is big business and some farming companies are bottom-line driven, in business to make money at any cost. Pesticides and genetically modified organisms are a way to ensure they get the crop yield they demand, no matter how it hurts the environment or the consumers.

Two types of pesticides are biological and chemical. Biological pesticides can be developed using fungi, bacteria, and other organically present substances. Some biological pesticides are microorganisms that, without any manipulation, demonstrate natural effectiveness in targeted pest control. These generally aren’t toxic to humans or animals and don’t leave a persistent residue.

Who is to Blame?

Seven of the most toxic chemical compounds know to man are approved for use as pesticides in the production of foods! Who approved them? A multinational organization called The Codex Alimentarius Commission (CAC). It was formed in 1963 from a cooperative effort between the World Health Organization (WHO) and the Food and Agriculture Organization of the United Nations (FAO). Their overall objective was “…to protect the health of the consumer and ensure fair practices.” The intent of the original 172 nations involved in this effort was to develop a set of food guidelines, standards, and codes of practice. It was to be an international endeavor to promote safety in food. In spite of their stated consumer protection responsibilities, the CAC approved toxic chemicals for use on our crops. These toxins are referred to as Persistent Organic Pollutants (POP’s). They’re called persistent because they are not easily removed from the environment.

The greatest risk to our environment and our health comes from the chemical pesticides. In spite of the dangers, the government maintains its approval of the use of toxic chemicals to make pesticides. And science is constantly developing variations of poisons.

Broad-spectrum and Narrow-spectrum Pesticides

Broad-spectrum pesticides kill many pests, while narrow-spectrum pesticides do just the opposite. Narrow-spectrum pesticides are developed to kill specific organism types. Examples are algicides for algae, avicides for birds, fungicides for fungi and oomycetes (also called water molds, they use surface water including precipitation on plants, to move around). Most pesticides kill pests directly on contact. Systemic pesticides work differently. They penetrate to the inside of a plant traveling along its absorption path. These poisons work by poisoning the pollen and nectar of flowers and this can kill needed pollinators like butterflies and bees.

Pesticides and Bees

Pesticides are a major threat to bees. The systemic poisoning of flowers has killed scores of bees. We’re simply losing too many of them. The bees and butterflies among others are pollinators and they represent a natural tour de force in perpetuating plant cycles and evolution. You see, they do cross-pollination naturally. More than 25% of the bee colonies died in winter 2006/07. That translates to a loss of tens of billions of bees. And it’s estimated that this loss will negatively impact the agricultural economy to the tune of $8 to $12 billion.

Who’s at Risk for Exposure to Pesticides?

Farmers and their families and other persons who use chemical pesticides regularly are at greatest risk for achieving toxic levels in their bodies. The danger is spread out to larger areas, as the pesticides:

Are carried on the windLeave residues on produceRemain inside produce and animalsRun off into open water, contaminating public water supply as well as fish and other seafood

Anyone who uses pesticides or is present when pesticides are sprayed is at risk for dangerous exposure. The pesticides can enter the body through skin, eyes, mouth and nose.

What are the Dangers from Pesticides Exposure?

Pesticides can be toxic to humans and lower animals. It can take a small amount of some toxins to kill. And other toxins that are slower acting, may take a long time to cause harm to the human body.

Pesticide production can be dangerous, too. One disaster at a pesticide manufacturing plant was in Bhopal, India. The plant accidentally released 40 tons of an intermediate chemical gas, methyl isocyanate, used to produce some pesticides. In that disaster, nearly 3,000 people were killed immediately, overall approximately 15,000 deaths occurred. Today nearly 100,000 people suffer from mild to severe permanent damage as a result of that disaster.

Children seem to be greatly susceptible to the toxic effects of pesticides. The Natural Resource Defense Council has collected data which recorded higher incidence of childhood leukemia, brain cancer and birth defects. These results correlated with early exposure to pesticides.

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Even just using pesticides in amounts within regulation, studies have revealed neurotoxins can do serious damage during development. Researchers report the dangers of pesticides can start as early as fetal stages of life. The Pesticides entry at Wikipedia.org lists some of the results that have been recorded in recent years including:

Can you believe the government approved the use of some organophosphates despite the occurrence of illnesses? It makes you wonder just who the Environmental Protection Agency (EPA) is working to protect. Read more